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Finding the Fourth Proportional to 550,647.16, 759,613.26 and 359,772.28

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Solution

The fourth proportional to 550,647.16, 759,613.26 and 359,772.28 is: 496,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,647.16 : 759,613.26 = 359,772.28 : x
  2. Step 2: Convert to fraction form
    550,647.16/759,613.26 = 359,772.28/x
  3. Step 3: Cross multiply
    550,647.16x = 759,613.26 × 359,772.28
  4. Step 4: Simplify right side
    550,647.16x = 273,287,794,468.43
  5. Step 5: Solve for x
    x = 273,287,794,468.43/550,647.16
  6. Step 6: Final answer
    x = 496,302.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.